Lake Charles, La.

William J. Doré
65

How'd he get so rich? Doré is the high-flying, deep-sea-diving driving force behind Global Industries, a $2 billion marine construction company. After acquiring several larger companies, such as Teledyne and Red Adair Co., he took his Global Industries public in 1993, netting himself around $700 million.

Learn more about Global Industries GLBL

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